<template>
  <div>
    <!-- 面包屑导航 -->
    <my-bread value1="数据统计" value2="数据报表"></my-bread>
    <!-- 卡片 -->
    <el-card>
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
  import * as echarts from 'echarts'
  export default {
    data() {
      return {
        options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }
      }
    },
    methods: {},
    created() {},
    async mounted() {
      // 只能在dom加载完毕后
      var myChart = echarts.init(document.getElementById('main'))

      const { data: res } = await this.$http.get('reports/type/1')
      if (res.meta.status !== 200) {
        return this.$message.error('统计图数据获取失败')
      }
      var options = { ...this.options, ...res.data }
      myChart.setOption(options)
    }
  }
</script>
<style lang="scss" scoped></style>
